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89 lines
2.6 KiB
89 lines
2.6 KiB
/* Copyright 2016 Alex 'AdUser' Z (ad_user@runbox.com) |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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*/ |
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#ifndef F2B_CSOCKET_H_ |
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#define F2B_CSOCKET_H_ |
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/** |
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* @file |
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* This file contains control socket manage routines |
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*/ |
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#include <sys/socket.h> |
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#include <arpa/inet.h> |
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#include <sys/un.h> |
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/** |
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* @brief Create UNIX socket with given path |
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* @param path Path to socket endpoint |
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* @returns Socket fd |
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*/ |
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int f2b_csocket_create (const char *path); |
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/** |
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* @brief Close UNIX socket and unlink endpoint |
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* @param csock Socket fd |
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* @param path Path to socket endpoint |
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*/ |
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void f2b_csocket_destroy(int csock, const char *path); |
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/** |
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* @brief Connect to given socket |
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* @param spath path to control socket endpoint |
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* @param cpath Path to client socket's endpoint |
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* @returns Connected fd or -1 on error |
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*/ |
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int f2b_csocket_connect(const char *spath, const char *cpath); |
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/** |
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* @brief Close client connection and unlink client's endpoint |
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* @param csock Socket fd |
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* @param cpath Path to client socket's endpoint |
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*/ |
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void f2b_csocket_disconnect(int csock, const char *cpath); |
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/** |
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* @brief Set recieve rimeout on socket |
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* @param csock Socket fd |
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* @param timeout Timeout in seconds |
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*/ |
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void f2b_csocket_rtimeout(int csock, float timeout); |
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/** |
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* @brief Get error description for f2b_csocket_recv() |
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* @param retcode Return code fromf2b_csocket_recv() |
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* @returns Pointer to errro description |
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*/ |
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const char * |
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f2b_csocket_error(int retcode); |
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/** |
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* @brief Poll control socket for new messages |
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* @param csock Control socket fd |
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* @param cb Callback for handling message |
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* @returns -1 on error, 0 on no messages, and > 0 on some messages processed |
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*/ |
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int f2b_csocket_poll(int csock, void (*cb)(const f2b_cmd_t *cmd, f2b_buf_t *res)); |
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/** |
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* @brief Pack and send control message |
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* @param csock Opened socket fd |
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* @param cmsg Control message pointer |
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* @param addr Pointer for destination address store |
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* @param addrlen Size of address storage |
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* @returns >0 on success |
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*/ |
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int f2b_csocket_send(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen); |
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/** |
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* @brief Recieve and unpack control message |
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* @param csock Opened socket fd |
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* @param cmsg Control message pointer |
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* @param addr Pointer for sender address store |
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* @param addrlen Size of address storage |
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* @returns >0 on success, 0 on no avalilable messages, <0 on error |
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*/ |
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int f2b_csocket_recv(int csock, f2b_cmsg_t *cmsg, struct sockaddr_storage *addr, socklen_t *addrlen); |
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#endif /* F2B_CSOCKET_H_ */
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